(5/7)(14-21x)=155

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Solution for (5/7)(14-21x)=155 equation: 



(5/7)(14-21x)=155

We move all terms to the left:

(5/7)(14-21x)-(155)=0



Domain of the equation: 7)(14-21x)!=0

x∈R



We add all the numbers together, and all the variables

(+5/7)(-21x+14)-155=0

We multiply parentheses ..

(-105x^2+5/7*14)-155=0

We multiply all the terms by the denominator


(-105x^2+5-155*7*14)=0

We get rid of parentheses

-105x^2+5-155*7*14=0

We add all the numbers together, and all the variables

-105x^2-15185=0

a = -105; b = 0; c = -15185;
Δ = b2-4ac
Δ = 02-4·(-105)·(-15185)
Δ = -6377700
Delta is less than zero, so there is no solution for the equation

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